Event: Jan/Feb 2023 classical games

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Opponent Rating Result
Aashna Patel 1146 0 - 1
Ayush Bansal 0 1 - 0
Elizaveta Astrakhantceva 596 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

447 = (1742 + 400 * (1 - 2)) / 3)

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